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            <td width="10%" class="headerValue"><a href="../../../../../../../../../index.html">top level</a> - <a href="index.html">periphery/contracts/adapters/paraswap/src/periphery/contracts/adapters/paraswap</a> - BaseParaSwapAdapter.sol<span style="font-size: 80%;"> (source / <a href="BaseParaSwapAdapter.sol.func-c.html">functions</a>)</span></td>
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            <td width="5%" class="headerCovTableHead" title="Covered + Uncovered code">Total</td>
            <td width="5%" class="headerCovTableHead" title="Exercised code only">Hit</td>
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            <td class="headerItem">Test:</td>
            <td class="headerValue">lcov.info.p</td>
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            <td class="headerItem">Lines:</td>
            <td class="headerCovTableEntryHi">100.0&nbsp;%</td>
            <td class="headerCovTableEntry">12</td>
            <td class="headerCovTableEntry">12</td>
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            <td class="headerItem">Test Date:</td>
            <td class="headerValue">2024-04-09 14:12:28</td>
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            <td class="headerItem">Functions:</td>
            <td class="headerCovTableEntryHi">100.0&nbsp;%</td>
            <td class="headerCovTableEntry">5</td>
            <td class="headerCovTableEntry">5</td>
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            <td class="headerCovTableEntry">0</td>
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<pre class="sourceHeading">             Branch data     Line data    Source code</pre>
<pre class="source">
<span id="L1"><span class="lineNum">       1</span>                 :             : // SPDX-License-Identifier: BUSL-1.1</span>
<span id="L2"><span class="lineNum">       2</span>                 :             : pragma solidity ^0.8.10;</span>
<span id="L3"><span class="lineNum">       3</span>                 :             : </span>
<span id="L4"><span class="lineNum">       4</span>                 :             : import {DataTypes} from 'aave-v3-core/contracts/protocol/libraries/types/DataTypes.sol';</span>
<span id="L5"><span class="lineNum">       5</span>                 :             : import {FlashLoanSimpleReceiverBase} from 'aave-v3-core/contracts/flashloan/base/FlashLoanSimpleReceiverBase.sol';</span>
<span id="L6"><span class="lineNum">       6</span>                 :             : import {GPv2SafeERC20} from 'aave-v3-core/contracts/dependencies/gnosis/contracts/GPv2SafeERC20.sol';</span>
<span id="L7"><span class="lineNum">       7</span>                 :             : import {IERC20} from 'aave-v3-core/contracts/dependencies/openzeppelin/contracts/IERC20.sol';</span>
<span id="L8"><span class="lineNum">       8</span>                 :             : import {IERC20Detailed} from 'aave-v3-core/contracts/dependencies/openzeppelin/contracts/IERC20Detailed.sol';</span>
<span id="L9"><span class="lineNum">       9</span>                 :             : import {IERC20WithPermit} from 'aave-v3-core/contracts/interfaces/IERC20WithPermit.sol';</span>
<span id="L10"><span class="lineNum">      10</span>                 :             : import {IPoolAddressesProvider} from 'aave-v3-core/contracts/interfaces/IPoolAddressesProvider.sol';</span>
<span id="L11"><span class="lineNum">      11</span>                 :             : import {IPriceOracleGetter} from 'aave-v3-core/contracts/interfaces/IPriceOracleGetter.sol';</span>
<span id="L12"><span class="lineNum">      12</span>                 :             : import {SafeMath} from 'aave-v3-core/contracts/dependencies/openzeppelin/contracts/SafeMath.sol';</span>
<span id="L13"><span class="lineNum">      13</span>                 :             : import {Ownable} from 'aave-v3-core/contracts/dependencies/openzeppelin/contracts/Ownable.sol';</span>
<span id="L14"><span class="lineNum">      14</span>                 :             : </span>
<span id="L15"><span class="lineNum">      15</span>                 :             : /**</span>
<span id="L16"><span class="lineNum">      16</span>                 :             :  * @title BaseParaSwapAdapter</span>
<span id="L17"><span class="lineNum">      17</span>                 :             :  * @notice Utility functions for adapters using ParaSwap</span>
<span id="L18"><span class="lineNum">      18</span>                 :             :  * @author Jason Raymond Bell</span>
<span id="L19"><span class="lineNum">      19</span>                 :             :  */</span>
<span id="L20"><span class="lineNum">      20</span>                 :             : abstract contract BaseParaSwapAdapter is FlashLoanSimpleReceiverBase, Ownable {</span>
<span id="L21"><span class="lineNum">      21</span>                 :             :   using SafeMath for uint256;</span>
<span id="L22"><span class="lineNum">      22</span>                 :             :   using GPv2SafeERC20 for IERC20;</span>
<span id="L23"><span class="lineNum">      23</span>                 :             :   using GPv2SafeERC20 for IERC20Detailed;</span>
<span id="L24"><span class="lineNum">      24</span>                 :             :   using GPv2SafeERC20 for IERC20WithPermit;</span>
<span id="L25"><span class="lineNum">      25</span>                 :             : </span>
<span id="L26"><span class="lineNum">      26</span>                 :             :   struct PermitSignature {</span>
<span id="L27"><span class="lineNum">      27</span>                 :             :     uint256 amount;</span>
<span id="L28"><span class="lineNum">      28</span>                 :             :     uint256 deadline;</span>
<span id="L29"><span class="lineNum">      29</span>                 :             :     uint8 v;</span>
<span id="L30"><span class="lineNum">      30</span>                 :             :     bytes32 r;</span>
<span id="L31"><span class="lineNum">      31</span>                 :             :     bytes32 s;</span>
<span id="L32"><span class="lineNum">      32</span>                 :             :   }</span>
<span id="L33"><span class="lineNum">      33</span>                 :             : </span>
<span id="L34"><span class="lineNum">      34</span>                 :             :   // Max slippage percent allowed</span>
<span id="L35"><span class="lineNum">      35</span>                 :             :   uint256 public constant MAX_SLIPPAGE_PERCENT = 3000; // 30%</span>
<span id="L36"><span class="lineNum">      36</span>                 :             : </span>
<span id="L37"><span class="lineNum">      37</span>                 :             :   IPriceOracleGetter public immutable ORACLE;</span>
<span id="L38"><span class="lineNum">      38</span>                 :             : </span>
<span id="L39"><span class="lineNum">      39</span>                 :             :   event Swapped(</span>
<span id="L40"><span class="lineNum">      40</span>                 :             :     address indexed fromAsset,</span>
<span id="L41"><span class="lineNum">      41</span>                 :             :     address indexed toAsset,</span>
<span id="L42"><span class="lineNum">      42</span>                 :             :     uint256 fromAmount,</span>
<span id="L43"><span class="lineNum">      43</span>                 :             :     uint256 receivedAmount</span>
<span id="L44"><span class="lineNum">      44</span>                 :             :   );</span>
<span id="L45"><span class="lineNum">      45</span>                 :             :   event Bought(</span>
<span id="L46"><span class="lineNum">      46</span>                 :             :     address indexed fromAsset,</span>
<span id="L47"><span class="lineNum">      47</span>                 :             :     address indexed toAsset,</span>
<span id="L48"><span class="lineNum">      48</span>                 :             :     uint256 amountSold,</span>
<span id="L49"><span class="lineNum">      49</span>                 :             :     uint256 receivedAmount</span>
<span id="L50"><span class="lineNum">      50</span>                 :             :   );</span>
<span id="L51"><span class="lineNum">      51</span>                 :             : </span>
<span id="L52"><span class="lineNum">      52</span>                 :             :   constructor(</span>
<span id="L53"><span class="lineNum">      53</span>                 :             :     IPoolAddressesProvider addressesProvider</span>
<span id="L54"><span class="lineNum">      54</span>                 :             :   ) FlashLoanSimpleReceiverBase(addressesProvider) {</span>
<span id="L55"><span class="lineNum">      55</span>                 :             :     ORACLE = IPriceOracleGetter(addressesProvider.getPriceOracle());</span>
<span id="L56"><span class="lineNum">      56</span>                 :             :   }</span>
<span id="L57"><span class="lineNum">      57</span>                 :             : </span>
<span id="L58"><span class="lineNum">      58</span>                 :             :   /**</span>
<span id="L59"><span class="lineNum">      59</span>                 :             :    * @dev Get the price of the asset from the oracle denominated in eth</span>
<span id="L60"><span class="lineNum">      60</span>                 :             :    * @param asset address</span>
<span id="L61"><span class="lineNum">      61</span>                 :             :    * @return eth price for the asset</span>
<span id="L62"><span class="lineNum">      62</span>                 :             :    */</span>
<span id="L63"><span class="lineNum">      63</span>                 :<span class="tlaGNC tlaBgGNC">          30 :   function _getPrice(address asset) internal view returns (uint256) {</span></span>
<span id="L64"><span class="lineNum">      64</span>                 :<span class="tlaGNC">          90 :     return ORACLE.getAssetPrice(asset);</span></span>
<span id="L65"><span class="lineNum">      65</span>                 :             :   }</span>
<span id="L66"><span class="lineNum">      66</span>                 :             : </span>
<span id="L67"><span class="lineNum">      67</span>                 :             :   /**</span>
<span id="L68"><span class="lineNum">      68</span>                 :             :    * @dev Get the decimals of an asset</span>
<span id="L69"><span class="lineNum">      69</span>                 :             :    * @return number of decimals of the asset</span>
<span id="L70"><span class="lineNum">      70</span>                 :             :    */</span>
<span id="L71"><span class="lineNum">      71</span>                 :<span class="tlaGNC">          30 :   function _getDecimals(IERC20Detailed asset) internal view returns (uint8) {</span></span>
<span id="L72"><span class="lineNum">      72</span>                 :<span class="tlaGNC">          90 :     uint8 decimals = asset.decimals();</span></span>
<span id="L73"><span class="lineNum">      73</span>                 :             :     // Ensure 10**decimals won't overflow a uint256</span>
<span id="L74"><span class="lineNum">      74</span>                 :<span class="tlaGNC">          60 :     require(decimals &lt;= 77, 'TOO_MANY_DECIMALS_ON_TOKEN');</span></span>
<span id="L75"><span class="lineNum">      75</span>                 :<span class="tlaGNC">          60 :     return decimals;</span></span>
<span id="L76"><span class="lineNum">      76</span>                 :             :   }</span>
<span id="L77"><span class="lineNum">      77</span>                 :             : </span>
<span id="L78"><span class="lineNum">      78</span>                 :             :   /**</span>
<span id="L79"><span class="lineNum">      79</span>                 :             :    * @dev Get the aToken associated to the asset</span>
<span id="L80"><span class="lineNum">      80</span>                 :             :    * @return address of the aToken</span>
<span id="L81"><span class="lineNum">      81</span>                 :             :    */</span>
<span id="L82"><span class="lineNum">      82</span>                 :<span class="tlaGNC">          21 :   function _getReserveData(</span></span>
<span id="L83"><span class="lineNum">      83</span>                 :             :     address asset</span>
<span id="L84"><span class="lineNum">      84</span>                 :             :   ) internal view returns (DataTypes.ReserveDataLegacy memory) {</span>
<span id="L85"><span class="lineNum">      85</span>                 :<span class="tlaGNC">          63 :     return POOL.getReserveData(asset);</span></span>
<span id="L86"><span class="lineNum">      86</span>                 :             :   }</span>
<span id="L87"><span class="lineNum">      87</span>                 :             : </span>
<span id="L88"><span class="lineNum">      88</span>                 :<span class="tlaGNC">          20 :   function _pullATokenAndWithdraw(</span></span>
<span id="L89"><span class="lineNum">      89</span>                 :             :     address reserve,</span>
<span id="L90"><span class="lineNum">      90</span>                 :             :     address user,</span>
<span id="L91"><span class="lineNum">      91</span>                 :             :     uint256 amount,</span>
<span id="L92"><span class="lineNum">      92</span>                 :             :     PermitSignature memory permitSignature</span>
<span id="L93"><span class="lineNum">      93</span>                 :             :   ) internal {</span>
<span id="L94"><span class="lineNum">      94</span>                 :<span class="tlaGNC">          18 :     IERC20WithPermit reserveAToken = IERC20WithPermit(</span></span>
<span id="L95"><span class="lineNum">      95</span>                 :             :       _getReserveData(address(reserve)).aTokenAddress</span>
<span id="L96"><span class="lineNum">      96</span>                 :             :     );</span>
<span id="L97"><span class="lineNum">      97</span>                 :<span class="tlaGNC">          12 :     _pullATokenAndWithdraw(reserve, reserveAToken, user, amount, permitSignature);</span></span>
<span id="L98"><span class="lineNum">      98</span>                 :             :   }</span>
<span id="L99"><span class="lineNum">      99</span>                 :             : </span>
<span id="L100"><span class="lineNum">     100</span>                 :             :   /**</span>
<span id="L101"><span class="lineNum">     101</span>                 :             :    * @dev Pull the ATokens from the user</span>
<span id="L102"><span class="lineNum">     102</span>                 :             :    * @param reserve address of the asset</span>
<span id="L103"><span class="lineNum">     103</span>                 :             :    * @param reserveAToken address of the aToken of the reserve</span>
<span id="L104"><span class="lineNum">     104</span>                 :             :    * @param user address</span>
<span id="L105"><span class="lineNum">     105</span>                 :             :    * @param amount of tokens to be transferred to the contract</span>
<span id="L106"><span class="lineNum">     106</span>                 :             :    * @param permitSignature struct containing the permit signature</span>
<span id="L107"><span class="lineNum">     107</span>                 :             :    */</span>
<span id="L108"><span class="lineNum">     108</span>                 :             :   function _pullATokenAndWithdraw(</span>
<span id="L109"><span class="lineNum">     109</span>                 :             :     address reserve,</span>
<span id="L110"><span class="lineNum">     110</span>                 :             :     IERC20WithPermit reserveAToken,</span>
<span id="L111"><span class="lineNum">     111</span>                 :             :     address user,</span>
<span id="L112"><span class="lineNum">     112</span>                 :             :     uint256 amount,</span>
<span id="L113"><span class="lineNum">     113</span>                 :             :     PermitSignature memory permitSignature</span>
<span id="L114"><span class="lineNum">     114</span>                 :             :   ) internal {</span>
<span id="L115"><span class="lineNum">     115</span>                 :             :     // If deadline is set to zero, assume there is no signature for permit</span>
<span id="L116"><span class="lineNum">     116</span>                 :<span class="tlaGNC">          28 :     if (permitSignature.deadline != 0) {</span></span>
<span id="L117"><span class="lineNum">     117</span>                 :<span class="tlaGNC">          10 :       reserveAToken.permit(</span></span>
<span id="L118"><span class="lineNum">     118</span>                 :             :         user,</span>
<span id="L119"><span class="lineNum">     119</span>                 :             :         address(this),</span>
<span id="L120"><span class="lineNum">     120</span>                 :             :         permitSignature.amount,</span>
<span id="L121"><span class="lineNum">     121</span>                 :             :         permitSignature.deadline,</span>
<span id="L122"><span class="lineNum">     122</span>                 :             :         permitSignature.v,</span>
<span id="L123"><span class="lineNum">     123</span>                 :             :         permitSignature.r,</span>
<span id="L124"><span class="lineNum">     124</span>                 :             :         permitSignature.s</span>
<span id="L125"><span class="lineNum">     125</span>                 :             :       );</span>
<span id="L126"><span class="lineNum">     126</span>                 :             :     }</span>
<span id="L127"><span class="lineNum">     127</span>                 :             : </span>
<span id="L128"><span class="lineNum">     128</span>                 :             :     // transfer from user to adapter</span>
<span id="L129"><span class="lineNum">     129</span>                 :<span class="tlaGNC">          28 :     reserveAToken.safeTransferFrom(user, address(this), amount);</span></span>
<span id="L130"><span class="lineNum">     130</span>                 :             : </span>
<span id="L131"><span class="lineNum">     131</span>                 :             :     // withdraw reserve</span>
<span id="L132"><span class="lineNum">     132</span>                 :<span class="tlaGNC">          28 :     require(POOL.withdraw(reserve, amount, address(this)) == amount, 'UNEXPECTED_AMOUNT_WITHDRAWN');</span></span>
<span id="L133"><span class="lineNum">     133</span>                 :             :   }</span>
<span id="L134"><span class="lineNum">     134</span>                 :             : </span>
<span id="L135"><span class="lineNum">     135</span>                 :             :   /**</span>
<span id="L136"><span class="lineNum">     136</span>                 :             :    * @dev Emergency rescue for token stucked on this contract, as failsafe mechanism</span>
<span id="L137"><span class="lineNum">     137</span>                 :             :    * - Funds should never remain in this contract more time than during transactions</span>
<span id="L138"><span class="lineNum">     138</span>                 :             :    * - Only callable by the owner</span>
<span id="L139"><span class="lineNum">     139</span>                 :             :    */</span>
<span id="L140"><span class="lineNum">     140</span>                 :<span class="tlaGNC">           1 :   function rescueTokens(IERC20 token) external onlyOwner {</span></span>
<span id="L141"><span class="lineNum">     141</span>                 :<span class="tlaGNC">           2 :     token.safeTransfer(owner(), token.balanceOf(address(this)));</span></span>
<span id="L142"><span class="lineNum">     142</span>                 :             :   }</span>
<span id="L143"><span class="lineNum">     143</span>                 :             : }</span>
        </pre>
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